1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/gpio/loongson,ls1x-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Loongson-1 GPIO controller
8
9 maintainers:
10 - Keguang Zhang <keguang.zhang@gmail.com>
11
12 properties:
13 compatible:
14 const: loongson,ls1x-gpio
15
16 reg:
17 maxItems: 1
18
19 gpio-controller: true
20
21 "#gpio-cells":
22 const: 2
23
24 ngpios:
25 minimum: 1
26 maximum: 32
27
28 required:
29 - compatible
30 - reg
31 - gpio-controller
32 - "#gpio-cells"
33 - ngpios
34
35 additionalProperties: false
36
37 examples:
38 - |
39 gpio0: gpio@1fd010c0 {
40 compatible = "loongson,ls1x-gpio";
41 reg = <0x1fd010c0 0x4>;
42
43 gpio-controller;
44 #gpio-cells = <2>;
45
46 ngpios = <32>;
47 };
48
49 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.